Armstrong Telephone Company is a telecommunications provider, and part of the Armstrong Group of Companies. The company primarily operates as a local exchange carrier in rural markets in West Virginia, Maryland, Pennsylvania, New York and Ohio. The following Armstrong companies are registered with the FCC : Armstrong Digital Services, Inc., Armstrong Telephone Company - New York, Armstrong Telephone Company - Pennsylvania, Armstrong Telephone Co. - North, Armstrong Telephone Company - Maryland, Armstrong Telecommunications, Inc., Armstrong Telephone Company - Northern Division, and Armstrong Telephone Company - West Virginia.